Upper jacking structure, half-slitting machine and half-slitting method

Abstract

Disclosed are an upper jacking structure, a half-slitting machine and a half-slitting method. The upper jacking structure includes a lower jacking block, a cutting assembly, a first linear reciprocating device, an upper jacking block and an auxiliary tensioner. The lower jacking block is located below the upper jacking block, a clamping space is formed between the lower jacking block and the upper jacking block, a cutting end of the cutting assembly moves in a vertical direction and a horizontal direction in and out of the clamping space, a movable end of the first linear reciprocating device moves in the vertical direction, and the upper jacking block is provided on the movable end of the first linear reciprocating device; the upper jacking block has a first jacking surface provided with a first jacking head and a second jacking head at either side of a center line of the first jacking surface.

What is claimed is: 
     
         1 . An upper jacking structure, comprising a first linear reciprocating device, an upper jacking block, and an auxiliary tensioner, wherein a movable end of the first linear reciprocating device moves in a vertical direction, and the upper jacking block is provided on the movable end of the first linear reciprocating device;
 the upper jacking block has a first jacking surface symmetrically provided with a first jacking head and a second jacking head at either side of a center line of the first jacking surface, and the first jacking head and the second jacking head are slidingly provided on the first jacking surface in a vertical direction; and   the auxiliary tensioner is located on a side of the upper jacking block adjacent to the first jack, and the auxiliary tensioner has a movable end moving in a vertical direction;   elastic members respectively connected to the first jacking head and the second jacking head are provided in the upper jacking block, and the upper jacking block has a fully-compressed state, a semi-compressed state, and a non-compressed state;   when the upper jacking block is in a fully-compressed state, the first jacking head and second jacking head respectively compress the correspondingly connected elastic member and abut against the top surface of the silicon rod;   when the upper jacking block is in a semi-compressed state, the first jacking head does not compress the correspondingly connected elastic member, the second jacking head compresses the correspondingly connected elastic member, and the second jacking head abuts against the top surface of the silicon rod; and   when the upper jacking block is in a non-compressed state, neither the first jacking head nor the second jacking head compresses the correspondingly connected elastic member and is separated from the top surface of the silicon rod.   
     
     
         2 . The upper jacking structure according to  claim 1 , wherein a third jacking head is slidingly provided on the first jacking surface in a vertical direction and is located on a center line of the first jacking surface, and an elastic member connected to the third jacking head is provided in the upper jacking block;
 when the upper jacking block is in a fully-compressed state, the third jacking head compresses the correspondingly connected elastic member and abuts against the top surface of the silicon rod;   when the upper jacking block is in a semi-compressed state, the third jacking head compresses the correspondingly connected elastic member and abuts against the top surface of the silicon rod; and   when the upper jacking block is in a non-compressed state, the third jacking head does not compress the correspondingly connected elastic member and is separated from the top surface of the silicon rod.   
     
     
         3 . The upper jacking structure according to  claim 2 , wherein an end of the third jacking head remote from the upper jacking block is provided with a notch facing the first jacking head. 
     
     
         4 . The upper jacking structure according to  claim 2 , further comprising a sensor, wherein an upper jacking structure further comprises a sensor having a detection end facing an end of the first upper jacking block away from the upper jacking block, or a second jacking head away from the upper jacking block, or a third top away from the upper jacking block. 
     
     
         5 . The upper jacking structure according to  claim 1 , further comprising a plurality of edge skin jacking tensioners positioned at the sides of the upper jacking block and having movable ends moving in a vertical direction. 
     
     
         6 . A half-slitting machine, comprising a lower jacking block, a cutting assembly, and an upper jacking structure, wherein the lower jacking block is below the upper jacking block, a clamping space is formed between the lower jacking block and the upper jacking block, and a cutting end of the cutting assembly is movable in a vertical direction and a horizontal direction into and out of the clamping space;
 the upper jacking structure comprises a first linear reciprocating device, an upper jacking block, and an auxiliary tensioner, wherein a movable end of the first linear reciprocating device moves in a vertical direction, and the upper jacking block is provided on the movable end of the first linear reciprocating device;   the upper jacking block has a first jacking surface symmetrically provided with a first jacking head and a second jacking head at either side of a center line of the first jacking surface, and the first jacking head and the second jacking head are slidingly provided on the first jacking surface in a vertical direction;   the auxiliary tensioner is located on a side of the upper jacking block adjacent to the first jack, and the auxiliary tensioner has a movable end moving in a vertical direction;   elastic members respectively connected to the first jacking head and the second jacking head are provided in the upper jacking block, and the upper jacking block has a fully-compressed state, a semi-compressed state, and a non-compressed state;   when the upper jacking block is in a fully-compressed state, the first jacking head and second jacking head respectively compress the correspondingly connected elastic member and abut against the top surface of the silicon rod;   when the upper jacking block is in a semi-compressed state, the first jacking head does not compress the correspondingly connected elastic member, the second jacking head compresses the correspondingly connected elastic member, and the second jacking head abuts against the top surface of the silicon rod; and   when the upper jacking block is in a non-compressed state, neither the first jacking head nor the second jacking head compresses the correspondingly connected elastic member and is separated from the top surface of the silicon rod.   
     
     
         7 . The half-slitting machine according to  claim 6 , wherein the cutting assembly comprises a vertically provided first mounting plate movable in a vertical direction and a horizontal direction, the first mounting plate is provided with a through hole in a thickness direction, and a wire cutting train and a clamper respectively provided at both ends of the first mounting plate in a thickness direction; the cutting end of the wire cutting train encloses a clamping space on the mounting panel, and the holder comprises a clamper that can protrude into the clamping space through the through hole. 
     
     
         8 . The half-slitting machine according to  claim 7 , wherein the clamper comprises a second linear reciprocating device having a movable end moving in parallel to the thickness direction of the first mounting plate, and at least a layer of the holder is provided on the movable end of the second linear reciprocating device in a direction parallel to the length direction of the first mounting plate. 
     
     
         9 . The half-slitting machine according to  claim 7 , wherein the clamper comprises a second mounting plate provided on the movable end of the second linear reciprocating device and a wedge relatively slidably provided on the second mounting plate in a direction perpendicular to the moving direction of the movable end of the second linear reciprocating device, and the wedge having a gripping arm protrudes out of the plate surface of the second mounting plate. 
     
     
         10 . The half-slitting machine according to  claim 9 , wherein the holder further comprises a push-pull block provided with a guide slot inclined toward the side of the second mounting plate, and a driving member provided with a guide post inserted into the guide slot of the wedge slidingly provided opposite to each other, the movable end of the driving member is connected to the push-pull block, and the moving direction of the movable end of the driving member is parallel to the moving direction of the movable end of the second linear reciprocating device. 
     
     
         11 . The half-slitting machine according to  claim 9 , wherein the holder further comprises a guide rail provided on the plate surface of the second mounting plate, and the wedge is slidably provided on the guide rail. 
     
     
         12 . The half-slitting machine according to  claim 7 , wherein the wire cutting train comprises a cutting line annularly provided in a wire groove of a driving wheel, a follower wheel, and a tensioning wheel which are provided on one end surface of the first mounting plate in a thickness direction. 
     
     
         13 . The half-slitting machine according to  claim 12 , further comprising a tensioning mechanism comprising a bearing seat and a rotating shaft; wherein the bearing seat is provided on the first mounting plate, a rotating shaft is rotatably mounted in the bearing seat via a bearing, and one end of the rotating shaft remote from the bearing seat is eccentrically provided with a connecting arm connected to a tensioning wheel. 
     
     
         14 . The half-slitting machine according to  claim 7 , further comprising a shield covering the through hole of the first mounting plate, wherein two opposite side edges of the shield are respectively a fixed edge and a free edge, the fixed edge of the shield is connected to the first mounting plate, and the direction from the fixed edge to the free edge of the shield is parallel to a length direction of the first mounting plate. 
     
     
         15 . The half-slitting machine according to  claim 6 , wherein the lower jacking block has a second jacking surface, wherein the second jacking surface is provided with a fourth jacking head corresponding to the first jacking head, and the second jacking surface is provided with a fifth jacking head corresponding to the second jacking head. 
     
     
         16 . The half-slitting machine according to  claim 6 , further comprising a plurality of edge skin jacking tensioners positioned at the sides of the lower jacking block and having movable ends moving in a vertical direction. 
     
     
         17 . A half-slitting method, comprising:
 providing a half-slitting machine comprising:
 a lower jacking block, a cutting assembly, and an upper jacking structure, wherein the lower jacking block is below the upper jacking block, a clamping space is formed between the lower jacking block and the upper jacking block, and a cutting end of the cutting assembly is movable in a vertical direction and a horizontal direction into and out of the clamping space; 
 the cutting assembly comprises a vertically provided first mounting plate movable in a vertical direction and a horizontal direction, the first mounting plate is provided with a through hole in a thickness direction, and a wire cutting train and a clamper respectively provided at both ends of the first mounting plate in a thickness direction; the cutting end of the wire cutting train encloses a clamping space on the mounting panel, and the holder comprises a clamper that can protrude into the clamping space through the through hole; 
 the upper jacking structure comprises a first linear reciprocating device, an upper jacking block, and an auxiliary tensioner, wherein a movable end of the first linear reciprocating device moves in a vertical direction, and the upper jacking block is provided on the movable end of the first linear reciprocating device; 
 the upper jacking block has a first jacking surface symmetrically provided with a first jacking head and a second jacking head at either side of a center line of the first jacking surface, and the first jacking head and the second jacking head are slidingly provided on the first jacking surface in a vertical direction; 
 the auxiliary tensioner is located on a side of the upper jacking block adjacent to the first jack, and the auxiliary tensioner has a movable end moving in a vertical direction; 
 elastic members respectively connected to the first jacking head and the second jacking head are provided in the upper jacking block, and the upper jacking block has a fully-compressed state, a semi-compressed state, and a non-compressed state; 
 when the upper jacking block is in a fully-compressed state, the first jacking head and second jacking head respectively compress the correspondingly connected elastic member and abut against the top surface of the silicon rod; 
 when the upper jacking block is in a semi-compressed state, the first jacking head does not compress the correspondingly connected elastic member, the second jacking head compresses the correspondingly connected elastic member, and the second jacking head abuts against the top surface of the silicon rod; and 
 when the upper jacking block is in a non-compressed state, neither the first jacking head nor the second jacking head compresses the correspondingly connected elastic member and is separated from the top surface of the silicon rod; 
 performing a cutting-feed process comprising: 
 step S 1 : feeding a silicon rod into the clamping space, wherein a second jacking head of an upper jacking block abuts against the top surface of the silicon rod, and a movable end of a first jacking head and/or an auxiliary tensioner abuts against the top surface of the silicon rod, and the jacking head of a lower jacking block abuts against the bottom surface of the silicon rod; 
 step S 2 - 1 : in a case of the first jacking head and the auxiliary tensioner, if both the first jacking head and the movable end of the auxiliary tensioner abut against the top surface of the silicon rod, and the movable end of the auxiliary tensioner is separated from the top surface of the silicon rod in step S 1 , performing step S 3 ; 
 step S 2 - 2 : wherein step S 3  is performed if the first jacking head abuts against the top surface of the silicon rod, and the movable end of the auxiliary tensioner maintains a distance from the top surface of the silicon rod in step S 1 ; 
 step S 2 - 3 : the first jacking head first abuts against the top surface of the silicon rod, and then the movable end of the auxiliary tensioner is separated from the top surface of the silicon rod, and then step S 3  is performed if the first jacking head maintains a distance from the top surface of the silicon rod, and the movable end of the auxiliary tensioner abuts against the top surface of the silicon rod in step S 1 ; 
 step S 3 : making a cutting end of the cutting assembly enter between the auxiliary tensioner and the first jacking head from below the movable end of the auxiliary tensioner; 
 step S 4 : abutting the movable end of the auxiliary tensioner against the top surface of the silicon rod; 
 step S 5 : separating the first jacking head from the top surface of the silicon rod; 
 step S 6 : making the cutting end of the cutting assembly enter between the first jacking head and the second jacking head from below the first jacking head; and 
 step S 7 : making the movable end of the first jacking head and/or the auxiliary tensioner abut against the top surface of the silicon rod; and 
   performing a half-slitting process comprising step S 8 : cutting, by the cutting end of the cutting assembly, from the top end of the silicon rod to the bottom end of the silicon rod until the silicon rod is cut to obtain two silicon rod blanks.   
     
     
         18 . The half-slitting method according to  claim 17 , further comprising a wire-withdrawal process comprising:
 step S 9 : gripping, by the gripper, the closest silicon rod blank;   step S 10 : separating the movable end of the auxiliary tensioner and/or the first jacking head from the top surface of the silicon rod;   step S 11 : making the silicon rod blank clamped by the clamper be away from the other silicon rod blank, so that a wire-withdrawal space is formed between the two silicon rod blanks;   step S 12 : making the movable end of the auxiliary tensioner and/or the first jacking head abut against the top surface of the silicon rod, and releasing, by the gripper, the silicon rod blank; and   step S 13 : moving the cutting end of the cutting assembly from the bottom of the wire-withdrawal space to the top of the wire-withdrawal space until the cutting end of the cutting assembly is entirely above the top of the silicon rod blank.   
     
     
         19 . The half-slitting method according to  claim 18 , wherein the wire-withdrawal process further comprises:
 step S 14 : abutting the movable end of the auxiliary tensioner against the top surface of the silicon rod;   step S 15 : making the cutting end of the cutting assembly enter between the auxiliary tensioner and the first jacking head from below the first jacking head;   step S 16 : abutting the first jacking head against the top surface of the silicon rod;   step S 17 : separating the movable end of the auxiliary tensioner from the top surface of the silicon rod; and   step S 18 : making the cutting end of the cutting assembly exit the clamping space from below the movable end of the auxiliary tensioner.